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发明名称
Système de communication
摘要
申请公布号
FR1143310(A)
申请公布日期
1957.09.30
申请号
FRD1143310
申请日期
1955.12.23
申请人
COMPAGNIE FRANCAISE THOMSON-HOUSTON
发明人
分类号
H03D1/24
主分类号
H03D1/24
代理机构
代理人
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